diff --git a/app/lib/kredits/contracts/base.js b/app/lib/kredits/contracts/base.js
deleted file mode 100644
index c54ca22..0000000
--- a/app/lib/kredits/contracts/base.js
+++ /dev/null
@@ -1,17 +0,0 @@
-export default class Base {
-  constructor(contract) {
-    this.contract = contract;
-  }
-
-  get functions() {
-    return this.contract.functions;
-  }
-
-  on(type, callback) {
-    let eventMethod = `on${type.toLowerCase()}`;
-    // Don't use this.contract.events here. Seems to be a bug in ethers.js
-    this.contract[eventMethod] = callback;
-
-    return this;
-  }
-}
diff --git a/app/lib/kredits/contracts/contributor.js b/app/lib/kredits/contracts/contributor.js
deleted file mode 100644
index 6d1efb0..0000000
--- a/app/lib/kredits/contracts/contributor.js
+++ /dev/null
@@ -1,58 +0,0 @@
-import ethers from 'npm:ethers';
-import RSVP from 'rsvp';
-
-import Kredits from '../kredits';
-import ContributorSerializer from '../serializers/contributor';
-
-import Base from './base';
-
-export default class Contributor extends Base {
-  all() {
-    return this.functions.contributorsCount()
-      .then((count) => {
-        count = count.toNumber();
-        let contributors = [];
-
-        for (let id = 1; id <= count; id++) {
-          contributors.push(this.getById(id));
-        }
-
-        return RSVP.all(contributors);
-      });
-  }
-
-  getById(id) {
-    id = ethers.utils.bigNumberify(id);
-
-    return this.functions.getContributorById(id)
-      .then((data) => {
-        // TODO: remove when naming updated on the contract
-        data.hashDigest = data.ipfsHash;
-        return data;
-      })
-      // Fetch IPFS data if available
-      .then((data) => {
-        return Kredits.ipfs.catAndMerge(data, ContributorSerializer.deserialize);
-      });
-  }
-
-  add(contributorAttr) {
-    let json = ContributorSerializer.serialize(contributorAttr);
-    // TODO: validate against schema
-
-    return Kredits.ipfs
-      .add(json)
-      .then((ipfsHashAttr) => {
-        let contributor = [
-          contributorAttr.address,
-          ipfsHashAttr.hashDigest,
-          ipfsHashAttr.hashFunction,
-          ipfsHashAttr.hashSize,
-          contributorAttr.isCore,
-        ];
-
-        console.log('[kredits] addContributor', ...contributor);
-        return this.functions.addContributor(...contributor);
-      });
-  }
-}
diff --git a/app/lib/kredits/contracts/index.js b/app/lib/kredits/contracts/index.js
deleted file mode 100644
index 4ef4162..0000000
--- a/app/lib/kredits/contracts/index.js
+++ /dev/null
@@ -1,9 +0,0 @@
-import Contributor from './contributor';
-import Operator from './operator';
-import Token from './token';
-
-export default {
-  Contributors: Contributor,
-  Operator,
-  Token
-};
diff --git a/app/lib/kredits/contracts/operator.js b/app/lib/kredits/contracts/operator.js
deleted file mode 100644
index 48ebd5e..0000000
--- a/app/lib/kredits/contracts/operator.js
+++ /dev/null
@@ -1,58 +0,0 @@
-import ethers from 'npm:ethers';
-import RSVP from 'rsvp';
-
-import Kredits from '../kredits';
-import ContributionSerializer from '../serializers/contribution';
-
-import Base from './base';
-
-export default class Operator extends Base {
-  all() {
-    return this.functions.proposalsCount()
-      .then((count) => {
-        count = count.toNumber();
-        let proposals = [];
-
-        for (let id = 1; id <= count; id++) {
-          proposals.push(this.getById(id));
-        }
-
-        return RSVP.all(proposals);
-      });
-  }
-
-  getById(id) {
-    id = ethers.utils.bigNumberify(id);
-
-    return this.functions.getProposal(id)
-      .then((data) => {
-        // TODO: remove when naming updated on the contract
-        data.hashDigest = data.ipfsHash;
-        return data;
-      })
-      // Fetch IPFS data if available
-      .then((data) => {
-        return Kredits.ipfs.catAndMerge(data, ContributionSerializer.deserialize);
-      });
-  }
-
-  addProposal(proposalAttr) {
-    let json = ContributionSerializer.serialize(proposalAttr);
-    // TODO: validate against schema
-
-    return Kredits.ipfs
-      .add(json)
-      .then((ipfsHashAttr) => {
-        let proposal = [
-          proposalAttr.contributorId,
-          proposalAttr.amount,
-          ipfsHashAttr.hashDigest,
-          ipfsHashAttr.hashFunction,
-          ipfsHashAttr.hashSize,
-        ];
-
-        console.log('[kredits] addProposal', ...proposal);
-        return this.functions.addProposal(...proposal);
-      });
-  }
-}
diff --git a/app/lib/kredits/contracts/token.js b/app/lib/kredits/contracts/token.js
deleted file mode 100644
index 42c97ee..0000000
--- a/app/lib/kredits/contracts/token.js
+++ /dev/null
@@ -1,4 +0,0 @@
-import Base from './base';
-
-export default class Token extends Base {
-}
diff --git a/app/lib/kredits/index.js b/app/lib/kredits/index.js
deleted file mode 100644
index eeb0011..0000000
--- a/app/lib/kredits/index.js
+++ /dev/null
@@ -1 +0,0 @@
-export { default } from './kredits';
diff --git a/app/lib/kredits/kredits.js b/app/lib/kredits/kredits.js
deleted file mode 100644
index 46a893f..0000000
--- a/app/lib/kredits/kredits.js
+++ /dev/null
@@ -1,102 +0,0 @@
-import ethers from 'npm:ethers';
-import RSVP from 'rsvp';
-
-import abis from 'contracts/abis';
-import addresses from 'contracts/addresses';
-
-import contracts from './contracts';
-import IPFS from './utils/ipfs';
-
-// Helpers
-function capitalize(word) {
-  let [first, ...rest] = word;
-  return `${first.toUpperCase()}${rest.join('')}`;
-}
-
-export default class Kredits {
-  constructor(provider, signer, addresses) {
-    this.provider = provider;
-    this.signer = signer;
-
-    // Initialize our registry contract
-    this.addresses = addresses;
-    this.contracts = {};
-  }
-
-  static setup(provider, signer, ipfsConfig) {
-    this.ipfsConfig = ipfsConfig;
-    this.ipfs = new IPFS(ipfsConfig);
-
-    return this.ipfs._ipfsAPI.id().catch((error) => {
-      throw new Error(`IPFS node not available; config: ${JSON.stringify(ipfsConfig)} - ${error.message}`);
-    }).then(() => {
-
-      let registryContract = this.initRegistryContract(provider);
-
-      let addresses = Object.keys(contracts).reduce((mem, name) => {
-        let contractName = capitalize(name);
-        mem[contractName] = registryContract.functions.getProxyFor(contractName).catch((error) => {
-          throw new Error(`Failed to get address for ${contractName} from registry at ${registryContract.address}
-            - correct registry? does it have version entry? - ${error.message}`
-          );
-        });
-        return mem;
-      }, {});
-
-      return RSVP.hash(addresses)
-        .then((addresses) => {
-          return new Kredits(provider, signer, addresses);
-        });
-    });
-  }
-
-  static initRegistryContract(provider) {
-    let address = addresses['Registry'][provider.chainId];
-    if (!address) {
-      throw new Error(`Registry address not found; invalid network?
-        requested network: ${provider.chainId}
-        supported networks: ${Object.keys(addresses['Registry'])}
-      `);
-    }
-    provider.getCode(address).then((code) => {
-      // not sure if we always get the same return value of the code is not available
-      // that's why checking if it is < 5 long
-      if (code === '0x00' || code.length < 5) {
-        throw new Error(`Registry not found at ${address} on network ${provider.chainId}`);
-      }
-    });
-    let abi = abis['Registry'];
-    console.log('Initialize registry contract:', address, abi, provider);
-    return new ethers.Contract(address, abi, provider);
-  }
-
-  get Contributor() {
-    // TODO: rename to contributor
-    return this.contractFor('contributors');
-  }
-
-  get Operator() {
-    return this.contractFor('operator');
-  }
-
-  get Token() {
-    return this.contractFor('token');
-  }
-
-  // Should be private
-  contractFor(name) {
-    if (this.contracts[name]) {
-      return this.contracts[name];
-    }
-
-    let contractName = capitalize(name);
-    let address = this.addresses[contractName];
-    if (!address || !abis[contractName]) {
-      throw new Error(`Address or ABI not found for ${contractName}`);
-    }
-    let contract = new ethers.Contract(address, abis[contractName], this.signer);
-    this.contracts[name] = new contracts[contractName](contract);
-
-    return this.contracts[name];
-  }
-}
diff --git a/app/lib/kredits/serializers/contribution.js b/app/lib/kredits/serializers/contribution.js
deleted file mode 100644
index 2bed268..0000000
--- a/app/lib/kredits/serializers/contribution.js
+++ /dev/null
@@ -1,64 +0,0 @@
-/**
- * Handle serialization for JSON-LD object of the contribution, according to
- * https://github.com/67P/kosmos-schemas/blob/master/schemas/contribution.json
- *
- * @class
- * @public
- */
-export default class Contributor {
- /**
-  * Deserialize JSON to object
-  *
-  * @method
-  * @public
-  */
-  static deserialize(serialized) {
-    let {
-      kind,
-      description,
-      details,
-      url,
-    } = JSON.parse(serialized.toString('utf8'));
-
-    return {
-      kind,
-      description,
-      details,
-      url,
-      ipfsData: serialized,
-    };
-  }
-
- /**
-  * Serialize object to JSON
-  *
-  * @method
-  * @public
-  */
-  static serialize(deserialized) {
-    let {
-      contributorIpfsHash,
-      kind,
-      description,
-      url,
-    } = deserialized;
-
-    let data = {
-      "@context": "https://schema.kosmos.org",
-      "@type": "Contribution",
-      "contributor": {
-        "ipfs": contributorIpfsHash
-      },
-      kind,
-      description,
-      "details": {}
-    };
-
-    if (url) {
-      data["url"] = url;
-    }
-
-    // Write it pretty to ipfs
-    return JSON.stringify(data, null, 2);
-  }
-}
diff --git a/app/lib/kredits/serializers/contributor.js b/app/lib/kredits/serializers/contributor.js
deleted file mode 100644
index d7bb39b..0000000
--- a/app/lib/kredits/serializers/contributor.js
+++ /dev/null
@@ -1,93 +0,0 @@
-/**
- * Handle serialization for JSON-LD object of the contributor, according to
- * https://github.com/67P/kosmos-schemas/blob/master/schemas/contributor.json
- *
- * @class
- * @public
- */
-export default class Contributor {
- /**
-  * Deserialize JSON to object
-  *
-  * @method
-  * @public
-  */
-  static deserialize(serialized) {
-    let {
-      name,
-      kind,
-      url,
-      accounts,
-    } = JSON.parse(serialized.toString('utf8'));
-
-    let github_username, github_uid, wiki_username;
-    let github = accounts.find((a) => a.site === 'github.com');
-    let wiki   = accounts.find((a) => a.site === 'wiki.kosmos.org');
-
-    if (github) {
-      (({ username: github_username, uid: github_uid} = github));
-    }
-    if (wiki) {
-      (({ username: wiki_username } = wiki));
-    }
-
-    return {
-      name,
-      kind,
-      url,
-      github_uid,
-      github_username,
-      wiki_username,
-      ipfsData: serialized,
-    };
-  }
-
- /**
-  * Serialize object to JSON
-  *
-  * @method
-  * @public
-  */
-  static serialize(deserialized) {
-    let {
-      name,
-      kind,
-      url,
-      github_uid,
-      github_username,
-      wiki_username,
-    } = deserialized;
-
-    let data = {
-      "@context": "https://schema.kosmos.org",
-      "@type": "Contributor",
-      kind,
-      name,
-      "accounts": []
-    };
-
-    if (url) {
-      data["url"] = url;
-    }
-
-    if (github_uid) {
-      data.accounts.push({
-        "site": "github.com",
-        "uid": github_uid,
-        "username": github_username,
-        "url": `https://github.com/${github_username}`
-      });
-    }
-
-    if (wiki_username) {
-      data.accounts.push({
-        "site": "wiki.kosmos.org",
-        "username": wiki_username,
-        "url": `https://wiki.kosmos.org/User:${wiki_username}`
-      });
-    }
-
-    // Write it pretty to ipfs
-    return JSON.stringify(data, null, 2);
-  }
-}
diff --git a/app/lib/kredits/utils/ipfs.js b/app/lib/kredits/utils/ipfs.js
deleted file mode 100644
index f20737d..0000000
--- a/app/lib/kredits/utils/ipfs.js
+++ /dev/null
@@ -1,57 +0,0 @@
-import ipfsAPI from 'npm:ipfs-api';
-import multihashes from 'npm:multihashes';
-
-export default class IPFS {
-
-  constructor(config) {
-    this._ipfsAPI = ipfsAPI(config);
-    this._config = config;
-  }
-
-  catAndMerge(data, deserialize) {
-    // if no hash details are found simply return the data; nothing to merge
-    if (!data.hashSize || data.hashSize === 0) {
-      return data;
-    }
-    // merge ipfsHash (encoded from hashDigest, hashSize, hashFunction)
-    data.ipfsHash = this.encodeHash(data);
-
-    return this.cat(data)
-      .then(deserialize)
-      .then((attributes) => {
-        return Object.assign({}, data, attributes);
-      });
-  }
-
-  add(data) {
-    return this._ipfsAPI
-      .add(new this._ipfsAPI.Buffer(data))
-      .then((res) => {
-        return this.decodeHash(res[0].hash);
-      });
-  }
-
-  cat(hashData) {
-    let ipfsHash = hashData; // default - if it is a string
-    if (hashData.hasOwnProperty('hashSize')) {
-      ipfsHash = this.encodeHash(hashData);
-    }
-    return this._ipfsAPI.cat(ipfsHash);
-  }
-
-  decodeHash(ipfsHash) {
-    let multihash = multihashes.decode(multihashes.fromB58String(ipfsHash));
-    return {
-      hashDigest: '0x' + multihashes.toHexString(multihash.digest),
-      hashSize: multihash.length,
-      hashFunction: multihash.code,
-      ipfsHash: ipfsHash
-    };
-  }
-
-  encodeHash(hashData) {
-    let digest = this._ipfsAPI.Buffer.from(hashData.hashDigest.slice(2), 'hex');
-    return multihashes.encode(digest, hashData.hashFunction, hashData.hashSize);
-  }
-
-}
diff --git a/app/services/kredits.js b/app/services/kredits.js
index 464dce1..9642fc8 100644
--- a/app/services/kredits.js
+++ b/app/services/kredits.js
@@ -3,7 +3,7 @@ import { computed } from '@ember/object';
 import { alias } from '@ember/object/computed';
 import { isEmpty, isPresent } from '@ember/utils';
 import RSVP from 'rsvp';
-import Kredits from 'kredits-web/lib/kredits';
+import Kredits from 'npm:kredits-contracts';
 import Contributor from 'kredits-web/models/contributor'
 import Proposal from 'kredits-web/models/proposal'
 import ethers from 'npm:ethers';
diff --git a/lib/contracts/index.js b/lib/contracts/index.js
deleted file mode 100644
index 3e7977e..0000000
--- a/lib/contracts/index.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/*jshint node:true*/
-const writeFile = require('broccoli-file-creator');
-const mergeTrees = require('broccoli-merge-trees');
-const jsonModule = require('broccoli-json-module');
-
-module.exports = {
-  name: 'contracts',
-
-  treeForAddon: function(tree) {
-    let trees = [];
-    const files = require('kredits-contracts/lib');
-
-    let abis = {};
-    let addresses = {};
-
-    files.forEach(function(file) {
-      abis[file] = require(`kredits-contracts/lib/abis/${file}.json`);
-      addresses[file] = require(`kredits-contracts/lib/addresses/${file}.json`);
-    });
-
-    trees.push(writeFile(`abis/index.json`, JSON.stringify(abis)));
-    trees.push(writeFile(`addresses/index.json`, JSON.stringify(addresses)));
-
-    tree = jsonModule(mergeTrees(trees));
-
-    return this._super.treeForAddon.call(this, tree);
-  },
-
-  isDevelopingAddon: function() {
-    return true;
-  }
-};
diff --git a/lib/contracts/package.json b/lib/contracts/package.json
deleted file mode 100644
index a2e4ce6..0000000
--- a/lib/contracts/package.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "name": "contracts",
-  "keywords": [
-    "ember-addon"
-  ]
-}
diff --git a/package-lock.json b/package-lock.json
index 4f56935..f7981f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -661,6 +661,58 @@
         }
       }
     },
+    "babel-helper-call-delegate": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz",
+      "integrity": "sha1-7Oaqzdx25Bw0YfiL/Fdb0Nqi340=",
+      "dev": true,
+      "requires": {
+        "babel-helper-hoist-variables": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
+      },
+      "dependencies": {
+        "babel-types": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
+          "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "esutils": "2.0.2",
+            "lodash": "4.17.5",
+            "to-fast-properties": "1.0.3"
+          }
+        }
+      }
+    },
+    "babel-helper-define-map": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz",
+      "integrity": "sha1-pfVtq0GiX5fstJjH66ypgZ+Vvl8=",
+      "dev": true,
+      "requires": {
+        "babel-helper-function-name": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
+        "lodash": "4.17.5"
+      },
+      "dependencies": {
+        "babel-types": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
+          "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "esutils": "2.0.2",
+            "lodash": "4.17.5",
+            "to-fast-properties": "1.0.3"
+          }
+        }
+      }
+    },
     "babel-helper-explode-assignable-expression": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz",
@@ -869,6 +921,143 @@
         }
       }
     },
+    "babel-helper-function-name": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz",
+      "integrity": "sha1-00dbjAPtmCQqJbSDUasYOZ01gKk=",
+      "dev": true,
+      "requires": {
+        "babel-helper-get-function-arity": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
+      },
+      "dependencies": {
+        "babel-template": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-6.26.0.tgz",
+          "integrity": "sha1-3gPi0WOWsGn0bdn/+FIfsaDjXgI=",
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "babel-traverse": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "lodash": "4.17.5"
+          }
+        },
+        "babel-types": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
+          "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "esutils": "2.0.2",
+            "lodash": "4.17.5",
+            "to-fast-properties": "1.0.3"
+          }
+        }
+      }
+    },
+    "babel-helper-get-function-arity": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz",
+      "integrity": "sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
+      },
+      "dependencies": {
+        "babel-types": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
+          "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "esutils": "2.0.2",
+            "lodash": "4.17.5",
+            "to-fast-properties": "1.0.3"
+          }
+        }
+      }
+    },
+    "babel-helper-hoist-variables": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz",
+      "integrity": "sha1-HssnaJydJVE+rbyZFKc/VAi+enY=",
+      "dev": true,
+      "requires": {
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-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -22026,7 +21575,7 @@
     },
     "trim-right": {
       "version": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
-      "integrity": "sha512-WZGXGstmCWgeevgTL54hrCuw1dyMQIzWy7ZfqRJfSmJZBwklI15egmQytFP6bPidmw3M8d5yEowl1niq4vmqZw==",
+      "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=",
       "dev": true
     },
     "true-case-path": {
diff --git a/package.json b/package.json
index 90f078e..26d1d38 100644
--- a/package.json
+++ b/package.json
@@ -23,11 +23,6 @@
     "babel-preset-es2015": "^6.22.0",
     "babelify": "^7.3.0",
     "broccoli-asset-rev": "^2.4.5",
-    "broccoli-file-creator": "^1.1.1",
-    "broccoli-json-module": "^1.0.0",
-    "broccoli-merge-trees": "^3.0.0",
-    "bs58": "^4.0.1",
-    "buffer": "^5.1.0",
     "ember-ajax": "^3.0.0",
     "ember-awesome-macros": "0.41.0",
     "ember-browserify": "^1.1.13",
@@ -54,9 +49,8 @@
     "ember-truth-helpers": "github:jmurphyau/ember-truth-helpers#31a14373a31f1f82c77537720549b47a95c28e5f",
     "eslint-plugin-ember": "^5.0.0",
     "ethers": "^3.0.8",
-    "ipfs-api": "^19.0.0",
     "kosmos-schemas": "^1.1.2",
-    "kredits-contracts": "github:67P/truffle-kredits#master",
+    "kredits-contracts": "github:67P/truffle-kredits",
     "loader.js": "^4.2.3",
     "tv4": "^1.3.0"
   },
@@ -67,10 +61,5 @@
     "Garret Alfert <alfert@wevelop.de>",
     "Sebastian Kippe <sebastian@kip.pe>",
     "Michael Bumann <hello@michaelbumann.com>"
-  ],
-  "ember-addon": {
-    "paths": [
-      "lib/contracts"
-    ]
-  }
+  ]
 }
diff --git a/tests/unit/lib/kredits/serializers/contribution-test.js b/tests/unit/lib/kredits/serializers/contribution-test.js
index 2966ab7..8761a99 100644
--- a/tests/unit/lib/kredits/serializers/contribution-test.js
+++ b/tests/unit/lib/kredits/serializers/contribution-test.js
@@ -1,7 +1,7 @@
 import { module, test } from 'qunit';
 import schemas from 'npm:kosmos-schemas';
 import tv4 from 'npm:tv4';
-import ContributionSerializer from 'kredits-web/lib/kredits/serializers/contribution';
+import ContributionSerializer from 'npm:kredits-contracts/lib/serializers/contribution';
 
 module('Serializers contribution', function() {
   test('#serialize returns a valid JSON-LD representation', function(assert) {
diff --git a/tests/unit/lib/kredits/serializers/contributor-test.js b/tests/unit/lib/kredits/serializers/contributor-test.js
index a402802..21a4d74 100644
--- a/tests/unit/lib/kredits/serializers/contributor-test.js
+++ b/tests/unit/lib/kredits/serializers/contributor-test.js
@@ -1,7 +1,7 @@
 import { module, test } from 'qunit';
 import schemas from 'npm:kosmos-schemas';
 import tv4 from 'npm:tv4';
-import ContributorSerializer from 'kredits-web/lib/kredits/serializers/contributor';
+import ContributorSerializer from 'npm:kredits-contracts/lib/serializers/contributor';
 
 module('Serializers contributor', function() {
   test('#serialize returns a valid JSON-LD representation', function(assert) {